added some more exception raising
added some more exception raising

freedesktop-unofficial-mirror/ldtp__ldtp2,MichalPokorny/ldtp2,ldtp/ldtp2,ldtp/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,MichalPokorny/ldtp2,ldtp/ldtp2,eeejay/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,MichalPokorny/ldtp2,eeejay/ldtp2,MichalPokorny/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,ldtp/ldtp2,ldtp/ldtp2,MichalPokorny/ldtp2